CVE-2025-56265

HIGH
Published Sep 8, 2025 Modified Sep 12, 2025 CWE-434

Description

An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.

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CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor Product
n8n n8n
n8n n8n
n8n n8n

References

Frequently Asked Questions

What is CVE-2025-56265? +
An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2025-56265? +
CVE-2025-56265 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-56265? +
CVE-2025-56265 affects products from n8n, specifically: n8n. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-56265? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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